Triple
T13666738
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Island Line |
E327139
|
entity |
| Predicate | rollingStockIntroduced |
P17949
|
FINISHED |
| Object | Class 484 EMUs introduced in 2021 |
—
|
LITERAL FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Class 484 EMUs introduced in 2021 | Statement: [Island Line, rollingStockIntroduced, Class 484 EMUs introduced in 2021]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: rollingStockIntroduced Context triple: [Island Line, rollingStockIntroduced, Class 484 EMUs introduced in 2021]
-
A.
rollingStockEra
Indicates the historical or operational time period during which a particular piece of rolling stock is designed to represent or is considered appropriate.
-
B.
introducedRollingStock
chosen
Indicates that an entity caused new rolling stock (such as trains or rail vehicles) to be put into service or use.
-
C.
rollingStockType
Indicates the specific category or type of railway rolling stock associated with an entity (e.g., locomotive, passenger car, freight wagon).
-
D.
laterRollingStock
Indicates that one piece of rolling stock comes into use or service at a later time than another piece of rolling stock.
-
E.
rollingStockFamily
Indicates a relationship where a piece of rolling stock belongs to, or is classified under, a particular family or series of related rolling stock designs.
- F. None of above.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d8076d8270819092afc2f0e9c359a8 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbc623fcc88190bbad97541c040b7a |
completed | April 12, 2026, 4:19 p.m. |
| PD | Predicate disambiguation | batch_69dbbe8d8d0881908d6e89954f44eed4 |
completed | April 12, 2026, 3:47 p.m. |
Created at: April 9, 2026, 9:52 p.m.